move your cards throught collections
Collection Tree allow you to have mass manage tool between your collections.
with right click on collections or set :
view the selected the sets or collection in Searching cards panel
Add selection in alerts module to Monitoring cards
manage massive moves between collections (launch could be long if collection is huge).
alows you to add missing cards in selected Collection/Set.
For exemple if you have cards #1 and #4 in selection, you will add #2 and #3. It could be interesting , if you manage a "Needed" collection.
alows you to remove in current collection/set, the cards already present in another collection.
move all cards present in selected sets to another collection